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The 4th International Workshop on QCD Collectivity at the Smallest Scales

24–28 Jun 2024
Qingdao Haitian Financial Center Hotel, Qingdao, China
Asia/Shanghai timezone

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Contribution List

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  1. 3. Welcom
    Zhenyu Chen (Shandong University (CN))
    24/06/2024, 09:00
  2. 5. Experimental overview - RHIC
    Fuqiang Wang (Purdue University (US))
    24/06/2024, 09:15
  3. 6. Experimental overview - LHC
    You Zhou (Niels Bohr Institute (DK))
    24/06/2024, 10:40
  4. 53. Hyperon polarization in pPb collisions
    Chenyan Li (Shandong University (CN))
    24/06/2024, 11:30
  5. 7. Dynamical core-corona initialization in small colliding systems
    Tetsufumi Hirano
    24/06/2024, 14:00
  6. 8. Hydro Overview 2
    Huichao Song
    24/06/2024, 14:40
  7. 9. EPOS Overview
    Klaus WERNER (subatech), Klaus WERNER
    24/06/2024, 15:40
  8. 10. AMPT Overview
    Zi-Wei Lin (East Carolina University)
    24/06/2024, 16:20
  9. 47. Collectivity in small systems from a multi-phase transport model point of view
    Dr Liang Zheng (China University of Geosciences (CN))
    24/06/2024, 17:00

    The striking collectivity like behavior found in high-multiplicity proton-proton (pp) collisions and ultra-peripheral collisions (UPC) at the LHC challenges our conventional wisdom on the formation of the quark-gluon plasma (QGP). A microscopic explanation to the origin of collectivity in these collision systems at rather small scales will help us understand the mechanism that leads to the...

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  10. 11. Discussion
    24/06/2024, 17:20
  11. 12. PYTHIA Overview
    Leif Lönnblad (Lund University (SE))
    25/06/2024, 09:00
  12. 13. Initial State Overview
    Oscar Garcia-Montero
    25/06/2024, 09:40
  13. 14. Collectivity in DIS/photo-production/UPC
    Nicole Lewis (Rice University (US))
    25/06/2024, 10:40
  14. 15. Collectivity in e+e- (remote)
    Yen-Jie Lee (Massachusetts Inst. of Technology (US))
    25/06/2024, 11:20
  15. 16. Collectivity in jets: exp
    Austin Alan Baty (University of Illinois Chicago)
    25/06/2024, 14:00
  16. 17. Collectivity in jets: theory (remote)
    Wenbin Zhao (Wayne State University)
    25/06/2024, 14:40
  17. 52. Investigating the elliptic anisotropy of hard probes in small collision systems
    Siyu Tang (Central China Normal University CCNU (CN))
    25/06/2024, 15:20
  18. 18. Understanding non-flow in small systems talk1
    Mr Yicheng Feng (Purdue University)
    25/06/2024, 16:00
  19. 19. Understanding non-flow in small systems talk2
    Sanghoon Lim (Pusan National University (KR))
    25/06/2024, 16:25
  20. 20. Understanding non-flow in small systems talk3
    Jiangyong Jia (Stony Brook University (US))
    25/06/2024, 16:50
  21. 21. Discussion
    25/06/2024, 17:15
  22. 22. OO and nuclear structure in small systems
    Shengli Huang
    26/06/2024, 08:30
  23. 23. Impact of nuclear structure on collectivity in small collision systems
    Chunjian Zhang (Stony Brook University)
    26/06/2024, 09:10
  24. 50. Mapping of the nuclear structure on the small and medium-sized systems via collectivity
    Xinli Zhao (Shanghai Institute of Applied Physics, Chinese Academy of Scien), Xinli Zhao
    26/06/2024, 09:35
  25. 24. Theory overview of nuclear structure in small system
    Giuliano Giacalone (Universität Heidelberg)
    26/06/2024, 09:55
  26. 25. Speed of sound: exp
    Cesar Bernardes (UNESP - Universidade Estadual Paulista (BR))
    26/06/2024, 10:55
  27. 45. Speed of sound: theory1
    Dr Wilke Van Der Schee (CERN)
    26/06/2024, 11:20
  28. 26. Speed of sound: theory2
    Govert Hugo Nijs (CERN)
    26/06/2024, 11:45
  29. 28. Flow decorrelation in small systems
    Yuko Sekiguchi (University of Tokyo (JP))
    27/06/2024, 09:00
  30. 30. 3D modeling of small system collisions from RHIC to LHC
    Chun Shen (Wayne State University)
    27/06/2024, 09:40
  31. 33. Jet quenching in small sized systems: exp
    Peter Martin Jacobs (Lawrence Berkeley National Lab. (US))
    27/06/2024, 10:40
  32. 32. Multiparticle vn at high pT in small system from CMS
    Rohit Kumar Singh (Indian Institute of Technology Madras (IN))
    27/06/2024, 11:20
  33. 36. Jet quenching and RAA in small systems: theory
    Isobel Kolbe (University of the Witwatersrand (ZA))
    27/06/2024, 11:50
  34. 34. Heavy flavor production and collectivity in small system: exp
    Wei Xie (Purdue University (US))
    27/06/2024, 14:00
  35. 44. Study of Upsilon(1S) flow in CMS
    Kisoo Lee (Korea University (KR))
    27/06/2024, 14:40

    The second-order Fourier coefficients ($v_{2}$) are expected to reflect the overlap region of colliding heavy ions. However, a non-zero $v_{2}$ has been observed in high-multiplicity pp and pPb collisions where overlap does not exist. The CMS experiment collected data at a nucleon-nucleon center-of-mass energies 5.02 and 8.16 TeV for PbPb and pPb collisions, respectively. The dimuons were used...

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  36. 48. Measurements of quarkonia suppression in small system in CMS with LHC Run2 data
    Soohwan Lee (Korea University (KR))
    27/06/2024, 15:00

    Quarkonium production in small systems has been extensively studied in LHC and RHIC to understand the suppression effects which may be described by the existence of a small QGP droplet. To further elaborate, it is necessary to obtain experimental data where models can describe the suppression from the hot medium effect and the cold nuclear matter effect. In this talk, we present recent studies...

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  37. 46. Study of quarkonia suppression in pO and OO with SHINCHON MC
    Yongsun Kim (Sejong University (KR))
    27/06/2024, 15:40
  38. 1. charmonium collective flows in nuclear collisions: (directed, elliptic, triangular) flows
    Baoyi Chen (Tianjin University)
    27/06/2024, 16:20

    We employ a detailed transport model coupled with realistic hydrodynamics in heavy-ion collisions to study the anisotropic flows of charmonium, including directed flow, elliptic flow, and triangular flows. The directed flow ($v_1$) of $J/\psi$ is induced by the rapidity-odd initial energy density, which arises from the rotation of the quark-gluon plasma (QGP). Meanwhile, the elliptic flow...

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  39. 38. Discussion
    27/06/2024, 16:40
  40. 54. Banquet
    27/06/2024, 19:00
  41. 40. Anisotropic flow and the valence quark skeleton of hadrons
    Hong Zhang
    28/06/2024, 09:00
  42. 49. Unraveling QGP and jet physics via perturbing attractors
    Xin An (National Center for Nuclear Research)
    28/06/2024, 09:40

    The rapid longitudinal expansion characteristic of heavy-ion collisions leads to universal attractor behavior of the resulting drop of Quark-Gluon Plasma already at very early times. Assuming approximate boost invariance, we incorporate transverse dynamics and parton evolution by linearizing the Mueller-Israel-Stewart theory around the attractor. This yields a system of coupled ordinary...

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  43. 51. Multi-particle cumulants from transverse momentum conservation and flow
    Jialin Pei (Fudan University)
    28/06/2024, 10:20
  44. 42. EicC Overview
    yuxiang zhao
    28/06/2024, 11:00
  45. 43. Closing remarks
    Zhenyu Chen (Shandong University (CN))
    28/06/2024, 11:40
  46. 41. Connection to EIC
    Dr Zhoudunming Tu (BNL)
  47. 4. Opening talk
  48. 27. Speed of sound: theory1
    Fernando Gardim (USP)